Roll No................
Total No. of Questions: 07
BCA (Sem.-2nd)
ENVIRONMENTAL SCIENCE
Subject Code : EVSC-101
Paper ID: [B1112]
Time: 3 Hrs.
INSTRUCTIONS TO CANDIDATE:
1) Section-A is Compulsory.
2) Attempt any Four questions from Section-B.
SECTION–A
Q1. Write briefly:
a) Explain disaster management.
b) What is Biosphere? Write its components.
c) What is water logging? Explain.
d) Differentiate renewable and non-renewable resources.
e) Define desertification’s and deforestation.
f) What are objectives of rainwater harvesting?
g) Write a note on value educations.
h) Define food chain and biomagnifications.
i) Write a note on endangered species.
j) Write a note on chipko andolan
SECTIONS – B
Q2. What is Global warning? List its causes and effects. What
measures should be taken to check global warming?
measures should be taken to check global warming?
Q3. What are causes, effects and control measures for soil
pollution?
pollution?
Q4. Explain with neat sketch, energy and nutrient flow through
an ecosystem.
an ecosystem.
Q5. Explain disaster management of earthquakes.
Q6. ‘India is a country of Biodiversity’ Discuss.
Q7. a) List any five laws regarding environment.
b) What are acid rains? Explain its effects.
2nd
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